Multiply by .

Multiply and .

Expand the denominator using the FOIL method.

Simplify.

Cancel the common factor.

Divide by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Evaluate 4/(3+ square root of 5)

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# Evaluate 4/(3+ square root of 5)

Multiply by .

Multiply and .

Expand the denominator using the FOIL method.

Simplify.

Cancel the common factor.

Divide by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Evaluate 4/(3+ square root of 5)